package com.li.config;

import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

@Configuration
public class CorsConfig implements WebMvcConfigurer {
    @Override
    public void addCorsMappings(CorsRegistry registry) {
        registry.addMapping("/**")
                //注意spring boot2.4以后是allowedOriginPatterns方法
                .allowedOriginPatterns("*")
                .allowedMethods("GET", "HEAD", "POST", "PUT", "DELETE", "OPTIONS")
                .allowCredentials(true)
                .maxAge(3600)
                .allowedHeaders("*");
    }
    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        //  /home/file/**为前端URL访问路径  后面 file:xxxx为本地磁盘映射 /tmp/javaUpload D://TEST/
        registry.addResourceHandler("images/**").addResourceLocations("file:/tmp/javaUpload/");
    }
}
